X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 6
Temperature 298.0
Details 1.0 M NA/K TARTRATE, O.1 M MES, PH 6.0, 0.5% POLYETHYLINIMINE, BATCH, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.86 α = 90
b = 83.48 β = 90
c = 141.95 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-02-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2 50 98.7 0.043 -- -- 3.5 31625 31625 0.0 -3.0 34.2
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.0 2.13 96.4 0.25 -- -- 3.2 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 2.0 36.49 0.0 0.0 31625 31625 1537 98.6 -- 0.207 0.207 0.249 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.0 2.13 -- 266 4842 0.265 0.319 0.02 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.8
Anisotropic B[1][1] 6.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -11.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.42
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.8
c_improper_angle_d 1.28
c_mcbond_it 4.41
c_scbond_it 5.98
c_dihedral_angle_d 22.7
c_mcangle_it 5.65
c_scangle_it 7.44
c_bond_d 0.018
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2798
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 198

Software

Software
Software Name Purpose
PHASES phasing
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling